:root {
    --primary: #123047;
    --secondary: #f26a2e;
    --accent: #ffd166;
    --ink: #17212b;
    --muted: #657384;
    --paper: #ffffff;
    --soft: #f5f7fb;
    --deep: #071823;
    --line: rgba(18, 48, 71, 0.12);
    --shadow: 0 24px 70px rgba(7, 24, 35, 0.14);
    --radius: 28px;
    --radius-sm: 18px;
    --container: 1160px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    color: var(--ink);
    background: var(--soft);
    line-height: 1.6;
}

body.nav-open {
    overflow: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

button,
input,
select,
textarea {
    font: inherit;
}

.container {
    width: min(calc(100% - 36px), var(--container));
    margin: 0 auto;
}

.section-pad {
    padding: 86px 0;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.86);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--line);
}

.nav-wrap {
    min-height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
}

.brand strong,
.brand small {
    display: block;
}

.brand strong {
    line-height: 1.1;
    color: var(--primary);
    letter-spacing: -0.03em;
}

.brand small {
    color: var(--muted);
    font-size: 0.76rem;
    margin-top: 2px;
}

.brand-mark {
    width: 46px;
    height: 46px;
    border-radius: 16px;
    background: linear-gradient(145deg, var(--primary), var(--deep));
    display: grid;
    place-items: center;
    position: relative;
    box-shadow: 0 14px 30px rgba(18, 48, 71, 0.25);
}

.roof-line {
    width: 27px;
    height: 18px;
    border-top: 5px solid var(--accent);
    border-left: 5px solid var(--accent);
    transform: rotate(45deg) translate(1px, 4px);
    border-radius: 4px 0 0 0;
}

.roof-base {
    position: absolute;
    bottom: 12px;
    width: 25px;
    height: 5px;
    border-radius: 999px;
    background: var(--secondary);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 24px;
    color: var(--primary);
    font-weight: 700;
    font-size: 0.94rem;
}

.main-nav a {
    position: relative;
}

.main-nav a:not(.nav-cta)::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -8px;
    width: 0;
    height: 3px;
    border-radius: 999px;
    background: var(--secondary);
    transition: width 0.25s ease;
}

.main-nav a:hover::after {
    width: 100%;
}

.nav-cta {
    background: var(--secondary);
    color: #fff;
    padding: 11px 18px;
    border-radius: 999px;
    box-shadow: 0 12px 28px rgba(242, 106, 46, 0.28);
}

.nav-toggle {
    display: none;
    width: 46px;
    height: 46px;
    border: 0;
    border-radius: 14px;
    background: var(--primary);
    padding: 12px;
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    height: 2px;
    background: #fff;
    margin: 5px 0;
    border-radius: 999px;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.hero {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(circle at 16% 24%, rgba(255, 209, 102, 0.28), transparent 28%),
        radial-gradient(circle at 90% 16%, rgba(242, 106, 46, 0.16), transparent 30%),
        linear-gradient(135deg, #f8fbff 0%, #eef3f8 48%, #ffffff 100%);
}

.hero-bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(18, 48, 71, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(18, 48, 71, 0.05) 1px, transparent 1px);
    background-size: 42px 42px;
    mask-image: linear-gradient(to bottom, black, transparent 85%);
    pointer-events: none;
}

.hero-grid {
    position: relative;
    display: grid;
    grid-template-columns: 1.02fr 0.98fr;
    align-items: center;
    gap: 56px;
}

.eyebrow,
.section-kicker {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    color: var(--secondary);
    background: rgba(242, 106, 46, 0.09);
    padding: 8px 13px;
    border-radius: 999px;
    font-weight: 800;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.pulse-dot {
    width: 9px;
    height: 9px;
    border-radius: 999px;
    background: var(--secondary);
    box-shadow: 0 0 0 0 rgba(242, 106, 46, 0.45);
    animation: pulse 1.8s infinite;
}

@keyframes pulse {
    70% {
        box-shadow: 0 0 0 12px rgba(242, 106, 46, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(242, 106, 46, 0);
    }
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1 {
    margin-bottom: 22px;
    color: var(--primary);
    font-size: clamp(2.55rem, 7vw, 5.6rem);
    line-height: 0.93;
    letter-spacing: -0.075em;
}

h2 {
    color: var(--primary);
    font-size: clamp(2rem, 4vw, 3.5rem);
    line-height: 1;
    letter-spacing: -0.055em;
    margin-bottom: 16px;
}

h3 {
    color: var(--primary);
    font-size: 1.22rem;
    line-height: 1.2;
    margin-bottom: 10px;
}

.hero-text {
    font-size: 1.16rem;
    max-width: 620px;
    color: var(--muted);
}

.hero-actions,
.contact-methods {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    min-height: 50px;
    padding: 14px 22px;
    font-weight: 800;
    border: 0;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-primary {
    background: linear-gradient(135deg, var(--secondary), #ff8a52);
    color: #fff;
    box-shadow: 0 18px 35px rgba(242, 106, 46, 0.28);
}

.btn-ghost {
    color: var(--primary);
    background: #fff;
    border: 1px solid var(--line);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    max-width: 560px;
    margin-top: 34px;
}

.hero-stats div {
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid var(--line);
    border-radius: 20px;
    padding: 16px;
    box-shadow: 0 16px 40px rgba(18, 48, 71, 0.07);
}

.hero-stats strong {
    display: block;
    color: var(--primary);
    font-size: 1.45rem;
    letter-spacing: -0.04em;
}

.hero-stats span {
    display: block;
    color: var(--muted);
    font-size: 0.86rem;
}

.hero-visual {
    position: relative;
    min-height: 540px;
}

.roof-card {
    position: relative;
    width: min(100%, 520px);
    min-height: 520px;
    margin-left: auto;
    border-radius: 42px;
    overflow: hidden;
    background:
        radial-gradient(circle at 72% 24%, rgba(255, 209, 102, 0.7), transparent 17%),
        linear-gradient(160deg, var(--primary), var(--deep));
    box-shadow: var(--shadow);
    border: 10px solid #fff;
}

.sun-disc {
    position: absolute;
    right: 70px;
    top: 62px;
    width: 88px;
    height: 88px;
    border-radius: 999px;
    background: var(--accent);
    box-shadow: 0 0 60px rgba(255, 209, 102, 0.7);
}

.cloud {
    position: absolute;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.8);
}

.cloud::before,
.cloud::after {
    content: "";
    position: absolute;
    border-radius: 999px;
    background: inherit;
}

.cloud-one {
    width: 96px;
    height: 30px;
    left: 58px;
    top: 88px;
}

.cloud-one::before {
    width: 42px;
    height: 42px;
    left: 18px;
    top: -20px;
}

.cloud-one::after {
    width: 50px;
    height: 50px;
    right: 13px;
    top: -27px;
}

.cloud-two {
    width: 78px;
    height: 25px;
    right: 52px;
    top: 176px;
    opacity: 0.5;
}

.cloud-two::before {
    width: 38px;
    height: 38px;
    left: 14px;
    top: -18px;
}

.cloud-two::after {
    width: 32px;
    height: 32px;
    right: 9px;
    top: -13px;
}

.house-shape {
    position: absolute;
    left: 58px;
    right: 58px;
    bottom: 58px;
    height: 285px;
}

.house-roof {
    position: absolute;
    left: 8px;
    right: 8px;
    top: 0;
    height: 145px;
    background: linear-gradient(135deg, var(--secondary), #ba4122);
    clip-path: polygon(50% 0, 100% 72%, 91% 72%, 91% 100%, 9% 100%, 9% 72%, 0 72%);
    filter: drop-shadow(0 18px 25px rgba(0, 0, 0, 0.24));
}

.house-roof::after {
    content: "";
    position: absolute;
    inset: 28px 42px auto 42px;
    height: 12px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.32);
    transform: rotate(8deg);
}

.house-body {
    position: absolute;
    left: 52px;
    right: 52px;
    bottom: 0;
    height: 170px;
    border-radius: 24px 24px 18px 18px;
    background: linear-gradient(180deg, #ffffff, #dce7ef);
    display: grid;
    grid-template-columns: 1fr 1fr 0.9fr;
    align-items: end;
    gap: 16px;
    padding: 34px 24px 0;
}

.window {
    height: 58px;
    margin-bottom: 48px;
    border-radius: 14px;
    background:
        linear-gradient(90deg, transparent calc(50% - 2px), rgba(18, 48, 71, 0.3) calc(50% - 2px), rgba(18, 48, 71, 0.3) calc(50% + 2px), transparent calc(50% + 2px)),
        linear-gradient(0deg, transparent calc(50% - 2px), rgba(18, 48, 71, 0.3) calc(50% - 2px), rgba(18, 48, 71, 0.3) calc(50% + 2px), transparent calc(50% + 2px)),
        #bfe7ff;
    border: 4px solid rgba(18, 48, 71, 0.12);
}

.door {
    height: 95px;
    border-radius: 16px 16px 0 0;
    background: var(--primary);
}

.rain {
    position: absolute;
    width: 4px;
    height: 62px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.45);
    transform: rotate(18deg);
    animation: rain 1.4s infinite linear;
}

.rain-one {
    left: 90px;
    top: 178px;
}

.rain-two {
    right: 150px;
    top: 238px;
    animation-delay: 0.3s;
}

.rain-three {
    right: 85px;
    top: 278px;
    animation-delay: 0.6s;
}

@keyframes rain {
    0% {
        opacity: 0;
        transform: translateY(-24px) rotate(18deg);
    }
    35% {
        opacity: 0.8;
    }
    100% {
        opacity: 0;
        transform: translateY(42px) rotate(18deg);
    }
}

.seal-badge {
    position: absolute;
    left: 26px;
    bottom: 24px;
    right: 26px;
    background: rgba(255, 255, 255, 0.92);
    border-radius: 22px;
    padding: 16px 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.seal-badge strong {
    color: var(--secondary);
    font-size: 1.5rem;
    letter-spacing: -0.04em;
}

.seal-badge span {
    color: var(--primary);
    font-weight: 800;
    font-size: 0.9rem;
}

.floating-note {
    position: absolute;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 11px 16px;
    color: var(--primary);
    font-weight: 800;
    box-shadow: 0 18px 45px rgba(7, 24, 35, 0.14);
}

.floating-note span {
    width: 24px;
    height: 24px;
    border-radius: 999px;
    display: grid;
    place-items: center;
    background: var(--accent);
}

.note-one {
    left: 2px;
    top: 96px;
}

.note-two {
    right: 0;
    bottom: 110px;
}

.strip {
    background: var(--primary);
    color: #fff;
}

.strip-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1px;
}

.strip-grid span {
    padding: 18px 10px;
    text-align: center;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.88);
    background: rgba(255, 255, 255, 0.04);
}

.section-heading {
    max-width: 760px;
    margin-bottom: 38px;
}

.section-heading p,
.proof-panel p,
.faq-intro p,
.contact-card p {
    color: var(--muted);
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.service-card,
.process-step,
.testimonial-card,
.project-card,
.inspection-card,
.quote-form {
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: 0 18px 55px rgba(18, 48, 71, 0.08);
}

.service-card {
    padding: 26px;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.service-card:hover {
    transform: translateY(-7px);
    box-shadow: var(--shadow);
}

.service-icon {
    width: 54px;
    height: 54px;
    border-radius: 18px;
    display: grid;
    place-items: center;
    color: #fff;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    font-size: 1.7rem;
    margin-bottom: 20px;
}

.service-card p,
.service-card li,
.process-step p,
.project-card p,
.testimonial-card p,
.faq-answer p {
    color: var(--muted);
}

.service-card ul {
    margin: 18px 0 0;
    padding: 0;
    list-style: none;
}

.service-card li {
    padding-left: 20px;
    position: relative;
    margin-top: 9px;
    font-size: 0.92rem;
}

.service-card li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 10px;
    width: 8px;
    height: 8px;
    border-radius: 99px;
    background: var(--secondary);
}

.proof {
    background:
        linear-gradient(135deg, rgba(18, 48, 71, 0.96), rgba(7, 24, 35, 0.98)),
        radial-gradient(circle at 80% 20%, rgba(242, 106, 46, 0.35), transparent 32%);
    color: #fff;
}

.proof h2,
.proof h3,
.proof .inspection-top strong {
    color: #fff;
}

.proof .section-kicker {
    background: rgba(255, 255, 255, 0.1);
    color: var(--accent);
}

.proof-grid {
    display: grid;
    grid-template-columns: 1.08fr 0.92fr;
    gap: 34px;
    align-items: center;
}

.proof-panel p {
    color: rgba(255, 255, 255, 0.74);
}

.trust-list {
    display: grid;
    gap: 14px;
    margin-top: 26px;
}

.trust-list div {
    padding: 18px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.trust-list strong,
.trust-list span {
    display: block;
}

.trust-list strong {
    color: #fff;
}

.trust-list span {
    color: rgba(255, 255, 255, 0.68);
    font-size: 0.94rem;
}

.inspection-card {
    padding: 28px;
    background: rgba(255, 255, 255, 0.09);
    border-color: rgba(255, 255, 255, 0.14);
    box-shadow: none;
}

.inspection-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 24px;
}

.inspection-top span {
    color: rgba(255, 255, 255, 0.7);
}

.check-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 15px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.11);
}

.check-row span {
    color: rgba(255, 255, 255, 0.74);
}

.check-row strong {
    color: var(--accent);
}

.meter {
    height: 16px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.13);
    margin: 28px 0 18px;
    overflow: hidden;
}

.meter span {
    display: block;
    width: 86%;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, var(--secondary), var(--accent));
}

.inspection-card p {
    color: rgba(255, 255, 255, 0.72);
    margin-bottom: 0;
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
    counter-reset: process;
}

.process-step {
    padding: 26px;
    position: relative;
    overflow: hidden;
}

.process-step::after {
    content: "";
    position: absolute;
    right: -34px;
    top: -34px;
    width: 96px;
    height: 96px;
    border-radius: 999px;
    background: rgba(242, 106, 46, 0.09);
}

.process-step span {
    display: inline-flex;
    width: 46px;
    height: 46px;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    color: var(--primary);
    background: var(--accent);
    font-weight: 900;
    margin-bottom: 20px;
}

.projects {
    background: #fff;
}

.project-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.9fr 0.9fr;
    gap: 18px;
}

.project-card {
    overflow: hidden;
}

.project-card > div:last-child {
    padding: 24px;
}

.project-art {
    position: relative;
    height: 220px;
    background:
        radial-gradient(circle at 18% 18%, rgba(255, 209, 102, 0.32), transparent 28%),
        linear-gradient(135deg, #dfeaf2, #f7fafc);
    overflow: hidden;
}

.project-one .project-art {
    height: 300px;
}

.roof-art {
    position: absolute;
    left: 11%;
    right: 11%;
    bottom: 56px;
    height: 112px;
    background: linear-gradient(135deg, var(--primary), #294e69);
    clip-path: polygon(0 30%, 100% 0, 100% 72%, 0 100%);
    border-radius: 18px;
}

.seal-line {
    position: absolute;
    left: 16%;
    right: 18%;
    bottom: 118px;
    height: 10px;
    border-radius: 999px;
    background: var(--secondary);
    transform: rotate(-8deg);
}

.tile-row,
.tile-row.second {
    position: absolute;
    left: 12%;
    right: 12%;
    height: 62px;
    border-radius: 16px;
    background:
        repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.3) 0 4px, transparent 4px 35px),
        linear-gradient(135deg, var(--secondary), #a93b22);
    transform: skewY(-9deg);
}

.tile-row {
    bottom: 88px;
}

.tile-row.second {
    bottom: 42px;
    opacity: 0.85;
}

.gutter-line {
    position: absolute;
    left: 16%;
    right: 16%;
    top: 86px;
    height: 25px;
    border-radius: 999px;
    background: var(--primary);
    box-shadow: inset 0 -8px 0 rgba(255, 255, 255, 0.18);
}

.drop-shape {
    position: absolute;
    left: 50%;
    top: 126px;
    width: 44px;
    height: 62px;
    background: #75c7ff;
    border-radius: 50% 50% 50% 0;
    transform: rotate(-45deg);
}

.testimonials {
    background:
        radial-gradient(circle at 8% 20%, rgba(242, 106, 46, 0.12), transparent 28%),
        var(--soft);
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.testimonial-card {
    padding: 26px;
}

.stars {
    color: var(--secondary);
    letter-spacing: 0.12em;
    margin-bottom: 16px;
}

.testimonial-card strong,
.testimonial-card span {
    display: block;
}

.testimonial-card span {
    color: var(--muted);
    font-size: 0.92rem;
}

.faq-grid {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: 36px;
    align-items: start;
}

.faq-list {
    display: grid;
    gap: 12px;
}

.faq-item {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 22px;
    overflow: hidden;
    box-shadow: 0 14px 38px rgba(18, 48, 71, 0.06);
}

.faq-item button {
    width: 100%;
    border: 0;
    background: transparent;
    padding: 20px 22px;
    color: var(--primary);
    font-weight: 900;
    text-align: left;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.faq-item button::after {
    content: "+";
    width: 30px;
    height: 30px;
    border-radius: 999px;
    background: rgba(242, 106, 46, 0.1);
    color: var(--secondary);
    display: grid;
    place-items: center;
    flex: 0 0 auto;
}

.faq-item.active button::after {
    content: "−";
}

.faq-answer {
    display: none;
    padding: 0 22px 20px;
}

.faq-item.active .faq-answer {
    display: block;
}

.faq-answer p {
    margin-bottom: 0;
}

.contact {
    background:
        linear-gradient(135deg, var(--primary), var(--deep));
    color: #fff;
}

.contact-card {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: 28px;
    padding: 34px;
    background:
        radial-gradient(circle at 14% 14%, rgba(255, 209, 102, 0.16), transparent 24%),
        rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.13);
    box-shadow: none;
}

.contact-card h2 {
    color: #fff;
}

.contact-card p {
    color: rgba(255, 255, 255, 0.72);
}

.contact-methods {
    margin-top: 28px;
    display: grid;
    gap: 14px;
}

.contact-methods a {
    display: block;
    padding: 18px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.contact-methods span,
.contact-methods strong {
    display: block;
}

.contact-methods span {
    color: rgba(255, 255, 255, 0.58);
    font-size: 0.86rem;
}

.contact-methods strong {
    color: #fff;
}

.quote-form {
    background: #fff;
    padding: 24px;
    display: grid;
    gap: 14px;
}

.quote-form label {
    display: grid;
    gap: 7px;
    color: var(--primary);
    font-weight: 800;
    font-size: 0.94rem;
}

.quote-form input,
.quote-form select,
.quote-form textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 13px 14px;
    color: var(--ink);
    background: #f9fbfd;
    outline: none;
}

.quote-form input:focus,
.quote-form select:focus,
.quote-form textarea:focus {
    border-color: var(--secondary);
    box-shadow: 0 0 0 4px rgba(242, 106, 46, 0.1);
}

.quote-form small {
    color: var(--muted);
}

.whatsapp-float {
    position: fixed;
    right: 18px;
    bottom: 18px;
    z-index: 60;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #fff;
    background: #19a463;
    border-radius: 999px;
    padding: 14px 18px;
    font-weight: 900;
    box-shadow: 0 18px 45px rgba(25, 164, 99, 0.35);
}

.whatsapp-float::before {
    content: "";
    width: 14px;
    height: 14px;
    border-radius: 999px;
    background: #fff;
    box-shadow: inset 0 0 0 4px rgba(25, 164, 99, 0.5);
}

.site-footer {
    background: #06131d;
    color: rgba(255, 255, 255, 0.72);
    padding: 30px 0;
}

.footer-grid {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 22px;
}

.footer-grid strong {
    display: block;
    color: #fff;
}

.footer-grid p {
    margin: 4px 0 0;
}

.footer-grid div:last-child {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 16px;
}

.reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 980px) {
    .section-pad {
        padding: 68px 0;
    }

    .nav-toggle {
        display: block;
    }

    .nav-toggle.is-active span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .nav-toggle.is-active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.is-active span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    .main-nav {
        position: fixed;
        left: 18px;
        right: 18px;
        top: 86px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 12px;
        background: #fff;
        border: 1px solid var(--line);
        border-radius: 24px;
        box-shadow: var(--shadow);
    }

    .main-nav.is-open {
        display: flex;
    }

    .main-nav a {
        padding: 14px 12px;
        border-radius: 16px;
    }

    .main-nav a:hover {
        background: var(--soft);
    }

    .main-nav a::after {
        display: none;
    }

    .nav-cta {
        text-align: center;
        margin-top: 8px;
    }

    .hero-grid,
    .proof-grid,
    .faq-grid,
    .contact-card {
        grid-template-columns: 1fr;
    }

    .hero-visual {
        min-height: 470px;
    }

    .roof-card {
        min-height: 470px;
        margin: 0 auto;
    }

    .service-grid,
    .process-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .project-grid {
        grid-template-columns: 1fr;
    }

    .project-one .project-art {
        height: 240px;
    }

    .testimonial-grid {
        grid-template-columns: 1fr;
    }

    .strip-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .strip-grid span:last-child {
        grid-column: 1 / -1;
    }

    .footer-grid,
    .footer-grid div:last-child {
        align-items: flex-start;
        justify-content: flex-start;
        flex-direction: column;
    }
}

@media (max-width: 640px) {
    .container {
        width: min(calc(100% - 26px), var(--container));
    }

    .section-pad {
        padding: 54px 0;
    }

    .brand small {
        display: none;
    }

    h1 {
        font-size: clamp(2.45rem, 13vw, 3.7rem);
    }

    .hero-actions,
    .hero-stats,
    .service-grid,
    .process-grid {
        grid-template-columns: 1fr;
    }

    .hero-actions {
        display: grid;
    }

    .btn {
        width: 100%;
    }

    .hero-stats {
        display: grid;
    }

    .hero-visual {
        min-height: 395px;
    }

    .roof-card {
        min-height: 390px;
        border-width: 7px;
        border-radius: 32px;
    }

    .house-shape {
        left: 28px;
        right: 28px;
        bottom: 50px;
        transform: scale(0.88);
        transform-origin: bottom center;
    }

    .sun-disc {
        width: 62px;
        height: 62px;
        right: 48px;
        top: 48px;
    }

    .cloud-one {
        left: 34px;
        top: 80px;
    }

    .cloud-two,
    .rain-three,
    .note-two {
        display: none;
    }

    .floating-note {
        position: static;
        margin-top: 12px;
        width: 100%;
        justify-content: center;
    }

    .seal-badge {
        flex-direction: column;
        align-items: flex-start;
        gap: 2px;
    }

    .strip-grid {
        grid-template-columns: 1fr;
    }

    .strip-grid span:last-child {
        grid-column: auto;
    }

    .service-card,
    .process-step,
    .testimonial-card,
    .inspection-card,
    .contact-card,
    .quote-form {
        border-radius: 22px;
    }

    .contact-card {
        padding: 20px;
    }

    .whatsapp-float span {
        display: none;
    }

    .whatsapp-float {
        width: 56px;
        height: 56px;
        justify-content: center;
        padding: 0;
    }
}