/* =========================================
   RADIANT BARRIER SPRAY — Main Stylesheet
   Theme: Solar Heat / Energy Efficiency
   ========================================= */

:root {
    --primary:       #FF6B00;   /* Blazing orange */
    --primary-light: #FF8C38;
    --primary-dark:  #D45500;
    --amber:         #FFB300;   /* Warm amber accent */
    --amber-glow:    rgba(255, 179, 0, 0.25);
    --bg-dark:       #0D0F14;   /* Near-black with blue tint */
    --bg-mid:        #13171F;
    --bg-card:       #1A1F2B;
    --text-main:     #F0F2F5;
    --text-muted:    rgba(240, 242, 245, 0.65);
    --border:        rgba(255, 107, 0, 0.15);

    --font-heading: 'Syne', sans-serif;
    --font-body:    'Inter', sans-serif;

    --transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    --radius: 12px;
}

/* ── Reset ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-body);
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.65;
    overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }

/* ── Layout ── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }
.section-padding { padding: 6rem 0; }
.text-center { text-align: center; }

/* ── Typography ── */
h1, h2, h3, h4 { font-family: var(--font-heading); line-height: 1.1; letter-spacing: -0.03em; }
h2 { font-size: clamp(2rem, 5vw, 3.25rem); margin-bottom: 1rem; }
h3 { font-size: 1.5rem; margin-bottom: 0.6rem; }

.gradient-text {
    background: linear-gradient(90deg, var(--primary), var(--amber));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-badge {
    display: inline-block;
    padding: 0.3rem 1rem;
    background: rgba(255, 107, 0, 0.12);
    border: 1px solid rgba(255, 107, 0, 0.3);
    color: var(--primary-light);
    border-radius: 50px;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2.5px;
    font-weight: 600;
    margin-bottom: 1rem;
}

.section-title { color: var(--text-main); }
.section-desc { color: var(--text-muted); font-size: 1.1rem; margin-top: 0.75rem; margin-bottom: 3rem; }

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.8rem;
    border-radius: 6px;
    font-weight: 600;
    font-family: var(--font-body);
    font-size: 1rem;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
    white-space: nowrap;
}
.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
}
.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(255, 107, 0, 0.4);
}
.btn-outline {
    border-color: rgba(240, 242, 245, 0.4);
    color: var(--text-main);
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(6px);
}
.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary-light);
    transform: translateY(-3px);
}
.btn-large { padding: 1rem 2.25rem; font-size: 1.1rem; }
.btn-glow {
    box-shadow: 0 0 20px rgba(255, 107, 0, 0.35);
}
.btn-glow:hover {
    box-shadow: 0 0 40px rgba(255, 107, 0, 0.6);
}

/* ── Header ── */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.25rem 0;
    transition: var(--transition);
}
.header.scrolled {
    background: rgba(13, 15, 20, 0.96);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 4px 30px rgba(0,0,0,0.5);
}
.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}
.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-heading);
}
.logo-icon { width: 36px; height: 36px; flex-shrink: 0; }
.logo-icon-sm { width: 28px; height: 28px; }
.logo-text-wrap { display: flex; flex-direction: column; line-height: 1; }
.logo-text { font-size: 1.35rem; font-weight: 800; letter-spacing: -1px; }
.logo-accent {
    font-family: var(--font-body);
    font-size: 0.7rem;
    color: var(--primary);
    letter-spacing: 2px;
    text-transform: uppercase;
    font-weight: 500;
    margin-top: 3px;
}
.nav-list {
    display: flex;
    align-items: center;
    gap: 2rem;
}
.nav-list a:not(.btn) {
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    position: relative;
    color: var(--text-muted);
}
.nav-list a:not(.btn):hover { color: var(--text-main); }
.nav-list a:not(.btn)::after {
    content: '';
    position: absolute;
    bottom: -4px; left: 0;
    width: 0; height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--amber));
    border-radius: 2px;
    transition: width 0.35s ease;
}
.nav-list a:not(.btn):hover::after { width: 100%; }

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}
.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-main);
    border-radius: 2px;
    transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: rgba(13, 15, 20, 0.98);
    backdrop-filter: blur(16px);
    border-top: 1px solid var(--border);
    padding: 1rem 0;
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
}
.mobile-menu.open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: all;
    display: block;
}
.mobile-menu ul { padding: 0 2rem; }
.mobile-menu li { border-bottom: 1px solid rgba(255,255,255,0.06); }
.mobile-link {
    display: block;
    padding: 1rem 0;
    font-weight: 500;
    color: var(--text-muted);
}
.mobile-link:hover { color: var(--primary); }
.mobile-cta {
    color: var(--primary) !important;
    font-weight: 700;
    font-size: 1.05rem;
}

/* ── Hero ── */
.hero {
    position: relative;
    height: 100vh;
    min-height: 650px;
    display: flex;
    align-items: center;
    overflow: hidden;
}
.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}
.hero-bg img {
    width: 100%; height: 100%;
    object-fit: cover;
    animation: heroZoom 14s ease-in-out infinite alternate;
}
@keyframes heroZoom {
    from { transform: scale(1.06); }
    to   { transform: scale(1); }
}
.hero-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(
        135deg,
        rgba(13, 15, 20, 0.92) 0%,
        rgba(13, 15, 20, 0.7) 50%,
        rgba(213, 85, 0, 0.25) 100%
    );
}

/* Heat Waves */
.heat-waves {
    position: absolute; inset: 0;
    z-index: 1;
    pointer-events: none;
    overflow: hidden;
}
.wave {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(255, 107, 0, 0.08);
    animation: pulseWave 6s ease-in-out infinite;
}
.w1 { width: 600px; height: 600px; top: -100px; right: -100px; animation-delay: 0s; }
.w2 { width: 900px; height: 900px; top: -250px; right: -250px; animation-delay: 1.5s; }
.w3 { width: 1200px; height: 1200px; top: -400px; right: -400px; animation-delay: 3s; }
@keyframes pulseWave {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50%       { transform: scale(1.05); opacity: 1; }
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 780px;
}
.hero-badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: rgba(255, 107, 0, 0.15);
    border: 1px solid rgba(255, 107, 0, 0.4);
    color: var(--amber);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 1.5rem;
}
.hero-title {
    font-size: clamp(3rem, 8vw, 5.5rem);
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: var(--text-main);
}
.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 620px;
    line-height: 1.7;
}
.hero-subtitle strong { color: var(--primary-light); font-weight: 600; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 3.5rem; }

/* Stats Bar */
.hero-stats {
    display: flex;
    align-items: center;
    gap: 2rem;
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 107, 0, 0.2);
    border-radius: var(--radius);
    padding: 1.25rem 2rem;
    width: fit-content;
}
.stat-item { display: flex; flex-direction: column; align-items: center; }
.stat-number {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--amber));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}
.stat-label {
    font-size: 0.78rem;
    color: var(--text-muted);
    text-align: center;
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.stat-divider { width: 1px; height: 40px; background: rgba(255,255,255,0.12); }

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem; left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}
.scroll-dot {
    width: 24px; height: 40px;
    border: 2px solid rgba(255, 107, 0, 0.4);
    border-radius: 12px;
    position: relative;
}
.scroll-dot::after {
    content: '';
    position: absolute;
    top: 6px; left: 50%;
    transform: translateX(-50%);
    width: 5px; height: 5px;
    background: var(--primary);
    border-radius: 50%;
    animation: scrollBounce 2s infinite;
}
@keyframes scrollBounce {
    0%, 100% { transform: translateX(-50%) translateY(0); opacity: 1; }
    80% { transform: translateX(-50%) translateY(14px); opacity: 0; }
}

/* ── About ── */
.about { background-color: var(--bg-mid); }
.about-container {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 5rem;
    align-items: center;
}
.about-image-wrap {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
}
.about-image-wrap img {
    width: 100%; height: 500px;
    object-fit: cover;
    border-radius: var(--radius);
    filter: brightness(0.9) contrast(1.05);
    transition: transform 0.6s ease;
}
.about-image-wrap:hover img { transform: scale(1.03); }
.about-glow {
    position: absolute; inset: 0;
    border-radius: var(--radius);
    box-shadow: inset 0 0 60px rgba(255, 107, 0, 0.15);
    pointer-events: none;
}
.temp-badge {
    position: absolute;
    bottom: 1.5rem; right: 1.5rem;
    background: rgba(13, 15, 20, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 107, 0, 0.3);
    border-radius: 8px;
    padding: 0.75rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    color: var(--text-muted);
}
.temp-badge b { color: var(--amber); }

.about-text { padding: 1rem 0; }
.about-text p {
    color: var(--text-muted);
    font-size: 1.05rem;
    margin-bottom: 1.25rem;
}
.feature-list { margin-top: 1.5rem; }
.feature-list li {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.85rem 1rem;
    margin-bottom: 0.5rem;
    border-radius: 8px;
    background: rgba(255, 107, 0, 0.06);
    border: 1px solid rgba(255, 107, 0, 0.1);
    font-size: 0.95rem;
    color: var(--text-muted);
    transition: border-color 0.3s ease, background 0.3s ease;
}
.feature-list li:hover {
    border-color: rgba(255, 107, 0, 0.3);
    background: rgba(255, 107, 0, 0.1);
    color: var(--text-main);
}
.feature-list li::before {
    content: '✓';
    color: var(--primary);
    font-weight: 800;
    flex-shrink: 0;
    width: 22px; height: 22px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%;
    background: rgba(255, 107, 0, 0.15);
    font-size: 0.8rem;
}

/* ── Services ── */
.services { background-color: var(--bg-dark); }
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 2.5rem;
}
.service-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: var(--transition);
    position: relative;
}
.service-card::before {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--amber));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}
.service-card:hover::before { transform: scaleX(1); }
.service-card:hover {
    transform: translateY(-8px);
    border-color: rgba(255, 107, 0, 0.35);
    box-shadow: 0 20px 50px rgba(0,0,0,0.4), 0 0 30px rgba(255, 107, 0, 0.1);
}
.service-img {
    height: 260px;
    overflow: hidden;
    position: relative;
}
.service-img img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}
.service-card:hover .service-img img { transform: scale(1.07); }
.service-tag {
    position: absolute;
    top: 1rem; left: 1rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 0.3rem 0.75rem;
    border-radius: 4px;
}
.service-content { padding: 2rem; }
.service-icon { font-size: 2rem; margin-bottom: 0.75rem; }
.service-content h3 { color: var(--text-main); margin-bottom: 0.75rem; }
.service-content p { color: var(--text-muted); font-size: 0.97rem; margin-bottom: 1.25rem; }
.service-features { display: flex; flex-direction: column; gap: 0.5rem; }
.service-features li {
    font-size: 0.88rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.service-features li::first-letter { color: var(--amber); }

/* ── Why Us ── */
.why-us { background-color: var(--bg-mid); }
.reasons-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
    margin-top: 3rem;
}
.reason-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 2rem;
    border: 1px solid var(--border);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.reason-card::after {
    content: '';
    position: absolute;
    top: -50%; right: -50%;
    width: 100%; height: 100%;
    background: radial-gradient(circle, rgba(255,107,0,0.06) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
}
.reason-card:hover::after { opacity: 1; }
.reason-card:hover {
    border-color: rgba(255, 107, 0, 0.3);
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.3);
}
.reason-icon { font-size: 2.25rem; margin-bottom: 1rem; }
.reason-card h3 { font-size: 1.15rem; margin-bottom: 0.6rem; color: var(--text-main); }
.reason-card p { font-size: 0.93rem; color: var(--text-muted); line-height: 1.6; }

/* ── Contact Strip ── */
.contact-strip {
    background: linear-gradient(135deg, #1a0900 0%, #2d1000 40%, #1a0d00 100%);
    position: relative;
    overflow: hidden;
    padding: 5rem 0;
    border-top: 1px solid rgba(255, 107, 0, 0.2);
    border-bottom: 1px solid rgba(255, 107, 0, 0.2);
}
.strip-glow {
    position: absolute; inset: 0;
    background: radial-gradient(ellipse at 50% 50%, rgba(255, 107, 0, 0.12) 0%, transparent 70%);
    pointer-events: none;
}
.contact-strip-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    flex-wrap: wrap;
    position: relative;
}
.contact-strip-text h2 {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    color: var(--text-main);
    margin-bottom: 0.5rem;
}
.contact-strip-text p { color: var(--text-muted); font-size: 1.05rem; }
.contact-strip-action {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}
.contact-note {
    font-size: 0.85rem;
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

/* ── Footer ── */
.footer {
    background-color: #08090C;
    padding-top: 5rem;
    border-top: 1px solid rgba(255,255,255,0.04);
}
.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}
.footer-logo { margin-bottom: 1rem; }
.footer-desc { color: var(--text-muted); max-width: 300px; font-size: 0.95rem; margin-top: 1rem; }
.footer h3 { font-size: 1rem; text-transform: uppercase; letter-spacing: 1.5px; color: var(--primary-light); margin-bottom: 1.5rem; }
.contact-list li {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1rem;
    color: var(--text-muted);
    font-size: 0.95rem;
    align-items: flex-start;
}
.phone-link {
    color: var(--amber);
    font-size: 1.2rem;
    font-weight: 700;
}
.phone-link:hover { color: var(--primary-light); }
.footer-bottom {
    padding: 1.5rem 0;
    border-top: 1px solid rgba(255,255,255,0.04);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ── Scroll Animations ── */
.animate-up {
    opacity: 0;
    transform: translateY(35px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}
.animate-left {
    opacity: 0;
    transform: translateX(-35px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}
.animate-right {
    opacity: 0;
    transform: translateX(35px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}
.in-view {
    opacity: 1 !important;
    transform: translate(0) !important;
}
.delay-1 { transition-delay: 0.15s; }
.delay-2 { transition-delay: 0.3s; }
.delay-3 { transition-delay: 0.45s; }
.delay-4 { transition-delay: 0.6s; }

/* ── Responsive ── */
@media (max-width: 1024px) {
    .reasons-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
    .about-container { grid-template-columns: 1fr; }
    .footer-container { grid-template-columns: 1fr; }
    .about-image-wrap img { height: 350px; }
}
@media (max-width: 768px) {
    .nav { display: none; }
    .hamburger { display: flex; }
    .hero-actions { flex-direction: column; gap: 0.75rem; }
    .hero-stats { flex-direction: column; align-items: flex-start; gap: 1rem; }
    .stat-divider { width: 100%; height: 1px; }
    .reasons-grid { grid-template-columns: 1fr; }
    .contact-strip-inner { flex-direction: column; text-align: center; }
    .hero-subtitle { font-size: 1.1rem; }
}
@media (max-width: 480px) {
    .services-grid { grid-template-columns: 1fr; }
    .section-padding { padding: 4rem 0; }
}