/* ===== BLACK & WHITE THEME — MONOCHROME ONLY ===== */
:root {
    /* Pure monochrome palette */
    --white: #ffffff;
    --off-white: #f8f8f8;
    --light-gray: #eaeaea;
    --mid-gray: #aaaaaa;
    --gray: #6c6c6c;
    --dark-gray: #333333;
    --charcoal: #1a1a1a;
    --black: #000000;
    
    /* No colors — all monochrome */
    --bg: var(--white);
    --bg2: var(--off-white);
    --bg3: var(--light-gray);
    --card: var(--white);
    --nav-bg: rgba(255, 255, 255, 0.98);
    --text: var(--black);
    --text-mid: var(--dark-gray);
    --text-soft: var(--gray);
    --border: rgba(0, 0, 0, 0.12);
    --border-soft: rgba(0, 0, 0, 0.05);
    --line: var(--light-gray);
    --shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1);
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ===== BASE RESET — SIMPLE SYSTEM FONTS ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    visibility: hidden;
    font-weight: 400;
}
a { text-decoration: none; color: inherit; }
::selection { background: var(--black); color: var(--white); }

/* ===== BOLD TEXT — PURE BLACK ===== */
strong, b {
    font-weight: 700;
    color: var(--black);
}

/* ===== WHATSAPP BUTTON — ORIGINAL GREEN COLOR ===== */
.whatsapp-btn {
    position: fixed;
    bottom: 5rem; 
    right: 1.8rem;
    z-index: 999;
    display: flex; 
    align-items: center; 
    justify-content: center;
    background: #25D366;
    color: var(--white);
    width: 56px; 
    height: 56px;
    border-radius: 50%;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
    transition: all 0.3s var(--ease-out);
    text-decoration: none;
}
.whatsapp-btn .wa-text { display: none; }
.whatsapp-btn svg { width: 28px; height: 28px; flex-shrink: 0; fill: currentColor; }
.whatsapp-btn:hover {
    background: #128C7E;
    transform: scale(1.08) translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

/* ===== NAVBAR — BLACK & WHITE ===== */
.carpentry-nav {
    position: fixed; top: 0; left: 0; right: 0;
    z-index: 1000;
    background: var(--nav-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
}
.nav-container {
    max-width: 1400px; margin: 0 auto; padding: 0.8rem 2.5rem;
    display: flex; align-items: center; justify-content: space-between;
    position: relative;
}
.nav-logo { display: flex; align-items: center; text-decoration: none; height: 100%; position: relative; overflow: hidden; }
.logo-wrapper { display: flex; align-items: center; height: 100%; gap: 0.75rem; }
.logo-img { 
    height: 50px; 
    width: auto; 
    max-width: 200px; 
    object-fit: contain; 
    display: block; 
    transition: opacity 0.3s ease; 
    filter: none;
}
.nav-logo:hover .logo-img { opacity: 0.85; }
.logo-accent {
    position: absolute; bottom: 0; left: 0; width: 100%; height: 2px;
    background: var(--black);
    transform: translateX(-100%); transition: transform 0.6s ease;
}
.nav-logo:hover .logo-accent { transform: translateX(0); }
.nav-desktop { display: flex; align-items: center; gap: 3rem; }
.nav-menu { display: flex; align-items: center; gap: 1.5rem; list-style: none; }
.nav-item { position: relative; }
.nav-link { text-decoration: none; padding: 0.5rem 0; display: inline-block; position: relative; }
.link-text { font-size: 0.8rem; font-weight: 500; color: var(--text-mid); text-transform: uppercase; letter-spacing: 1.5px; transition: color 0.3s ease; }
.nav-link:hover .link-text, .nav-link.active .link-text { color: var(--black); }
.link-underline { position: absolute; bottom: 0; left: 50%; transform: translateX(-50%) scaleX(0); width: 80%; height: 2px; background: var(--black); transition: transform 0.3s ease; }
.nav-link:hover .link-underline, .nav-link.active .link-underline { transform: translateX(-50%) scaleX(1); }
.nav-cta { text-decoration: none; padding: 0.7rem 1.5rem; background: var(--black); border: none; border-radius: 30px; display: flex; align-items: center; gap: 0.5rem; position: relative; overflow: hidden; transition: all 0.3s ease; }
.cta-text { font-size: 0.7rem; font-weight: 600; color: var(--white); text-transform: uppercase; letter-spacing: 1px; position: relative; z-index: 2; }
.cta-icon { font-size: 1rem; color: var(--white); position: relative; z-index: 2; transition: transform 0.3s ease; }
.nav-cta:hover { background: var(--dark-gray); transform: translateY(-2px); box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2); }
.nav-cta:hover .cta-icon { transform: translateX(5px); }
.nav-mobile-btn { display: none; background: transparent; border: none; cursor: pointer; padding: 0.5rem; z-index: 1002; }
.burger-line { display: block; width: 25px; height: 2px; background: var(--black); margin: 5px 0; transition: all 0.3s ease; border-radius: 2px; }
.nav-mobile-btn.active .burger-line:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-mobile-btn.active .burger-line:nth-child(2) { opacity: 0; }
.nav-mobile-btn.active .burger-line:nth-child(3) { transform: rotate(-45deg) translate(7px, -7px); }
.nav-mobile-drawer { position: fixed; top: 0; right: -100%; width: 100%; max-width: 400px; height: 100vh; background: var(--white); z-index: 1001; transition: right 0.4s var(--ease); overflow-y: auto; box-shadow: -5px 0 30px rgba(0, 0, 0, 0.1); border-left: 1px solid var(--border); }
.nav-mobile-drawer.active { right: 0; }
.drawer-header { padding: 2rem; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; position: relative; }
.drawer-logo { display: flex; align-items: center; gap: 1rem; }
.drawer-logo-img { 
    height: 35px; 
    width: auto; 
    object-fit: contain; 
    filter: none;
}
.drawer-title { font-size: 1.1rem; font-weight: 600; color: var(--black); font-family: inherit; }
.drawer-close { width: 40px; height: 40px; border-radius: 50%; background: var(--light-gray); border: 1px solid var(--border); color: var(--black); font-size: 1.2rem; cursor: pointer; transition: all 0.3s ease; display: flex; align-items: center; justify-content: center; }
.drawer-close:hover { background: var(--mid-gray); transform: rotate(90deg); color: var(--white); }
.drawer-menu { list-style: none; padding: 2rem; margin: 0; }
.drawer-link { display: flex; align-items: center; padding: 1rem 0; text-decoration: none; border-bottom: 1px solid var(--border-soft); transition: all 0.3s ease; }
.drawer-link .link-icon { width: 40px; font-size: 1.2rem; color: var(--black); }
.drawer-link .link-text { flex: 1; font-size: 1rem; color: var(--text-mid); text-transform: uppercase; letter-spacing: 1px; }
.drawer-link .link-arrow { color: var(--black); opacity: 0; transform: translateX(-10px); transition: all 0.3s ease; }
.drawer-link:hover { padding-left: 1rem; background: var(--off-white); }
.drawer-link:hover .link-arrow { opacity: 1; transform: translateX(0); }
.drawer-footer { padding: 2rem; border-top: 1px solid var(--border); }
.drawer-cta { display: flex; align-items: center; justify-content: center; gap: 1rem; padding: 1rem; background: var(--black); border-radius: 4px; text-decoration: none; margin-bottom: 1.5rem; transition: all 0.3s ease; }
.drawer-cta .cta-text { color: var(--white); font-weight: 600; letter-spacing: 1px; }
.drawer-cta .cta-arrow { color: var(--white); transition: transform 0.3s ease; }
.drawer-cta:hover { background: var(--dark-gray); transform: translateY(-2px); }
.drawer-cta:hover .cta-arrow { transform: translateX(5px); }
.drawer-contact { display: flex; flex-direction: column; gap: 0.8rem; }
.contact-item { display: flex; align-items: center; gap: 0.8rem; color: var(--text-mid); font-size: 0.9rem; }
.item-icon { color: var(--black); }

/* ===== LAYOUT ATOMS — MONOCHROME ===== */
section { padding: 6rem 0; }
.wrap { max-width: 1320px; margin: 0 auto; padding: 0 2.5rem; }
.eyebrow { display: inline-flex; align-items: center; gap: .7rem; font-size: .58rem; letter-spacing: .28em; text-transform: uppercase; color: var(--gray); margin-bottom: 1rem; }
.eyebrow::before { content: ''; width: 20px; height: 1px; background: var(--black); }
.sh2 { font-size: clamp(1.7rem, 3vw, 2.6rem); font-weight: 600; letter-spacing: -0.02em; line-height: 1.2; color: var(--black); font-family: inherit; }
.sh2 i { font-style: italic; color: var(--dark-gray); font-weight: 400; }
.rule { display: flex; align-items: center; gap: .7rem; margin: 1.5rem 0; }
.rl { flex: 0 0 40px; height: 1px; background: var(--black); }
.rd { width: 5px; height: 5px; background: var(--black); transform: rotate(45deg); flex-shrink: 0; }
.body-text { font-size: 1rem; color: var(--text-mid); line-height: 1.9; font-weight: 400; }

/* ===== SCROLL REVEAL ===== */
.r { opacity: 0; transform: translateY(20px); transition: opacity 0.65s var(--ease), transform 0.65s var(--ease); }
.r.on { opacity: 1; transform: none; }
.d1 { transition-delay: .08s; } .d2 { transition-delay: .16s; } .d3 { transition-delay: .24s; }
.d4 { transition-delay: .32s; } .d5 { transition-delay: .40s; } .d6 { transition-delay: .48s; }

/* ===== BUTTONS — BLACK & WHITE ===== */
.btn-gold { display: inline-block; padding: .85rem 2.2rem; background: var(--black); border: none; border-radius: 2px; cursor: pointer; font-family: inherit; font-size: .65rem; letter-spacing: .2em; text-transform: uppercase; color: var(--white); font-weight: 500; transition: all .3s var(--ease); box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15); }
.btn-gold:hover { background: var(--dark-gray); transform: translateY(-2px); }
.btn-ghost { display: inline-block; padding: .85rem 2.2rem; background: transparent; border: 1.5px solid var(--border); border-radius: 2px; cursor: pointer; font-family: inherit; font-size: .65rem; letter-spacing: .2em; text-transform: uppercase; color: var(--text-mid); transition: all .3s var(--ease); }
.btn-ghost:hover { border-color: var(--black); color: var(--black); transform: translateY(-2px); }
.btn-outline-gold { display: inline-block; padding: .75rem 2rem; background: transparent; border: 1.5px solid var(--black); border-radius: 2px; cursor: pointer; font-family: inherit; font-size: .65rem; letter-spacing: .2em; text-transform: uppercase; color: var(--black); transition: all .3s var(--ease); }
.btn-outline-gold:hover { background: var(--black); color: var(--white); transform: translateY(-2px); }

/* ===== CTA BAND ===== */
.cta-band { background: var(--black); padding: 3.5rem 2.5rem; display: flex; align-items: center; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }
.cta-band-t { font-size: 1.4rem; font-weight: 600; color: var(--white); letter-spacing: -0.01em; font-family: inherit; }
.cta-band-s { font-size: .75rem; color: rgba(255,255,255,.6); margin-top: .3rem; font-weight: 400; }
.btn-white { display: inline-block; padding: .85rem 2.2rem; background: var(--white); border: none; border-radius: 2px; cursor: pointer; font-family: inherit; font-size: .65rem; letter-spacing: .2em; text-transform: uppercase; color: var(--black); font-weight: 500; transition: all .3s var(--ease); white-space: nowrap; }
.btn-white:hover { background: var(--light-gray); transform: translateY(-2px); }

/* ===== FOOTER ===== */
footer { background: var(--bg2); border-top: 1px solid var(--line); padding: 2.5rem 0; }
.foot-inner { max-width: 1320px; margin: 0 auto; padding: 0 2.5rem; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1.2rem; }
.foot-logo { font-size: .9rem; font-weight: 600; color: var(--black); letter-spacing: .08em; font-family: inherit; }
.foot-copy { font-size: .62rem; color: var(--text-soft); text-align: center; line-height: 1.7; }
.foot-links { list-style: none; display: flex; gap: 2rem; }
.foot-links a { font-size: .6rem; letter-spacing: .16em; text-transform: uppercase; color: var(--text-soft); transition: color .25s; }
.foot-links a:hover { color: var(--black); }

/* ═══════════════════════════════════
   CONTACT POPUP — BLACK & WHITE
═══════════════════════════════════ */
.popup-backdrop {
    position: fixed; inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    z-index: 9998;
    opacity: 0; visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}
.popup-backdrop.show { opacity: 1; visibility: visible; }

.popup-box {
    position: fixed;
    top: 50%; left: 50%;
    transform: translate(-50%, -46%) scale(0.92);
    z-index: 9999;
    width: 92%; max-width: 480px;
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 40px 100px rgba(0, 0, 0, 0.3);
    opacity: 0; visibility: hidden;
    transition: all 0.5s var(--ease-bounce);
}
.popup-box.show {
    opacity: 1; visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.popup-banner {
    background: var(--black);
    padding: 2rem 2rem 1.75rem;
    position: relative;
    overflow: hidden;
    text-align: center;
}
.popup-banner::before {
    content: ''; position: absolute; inset: 0;
    background-image: repeating-linear-gradient(45deg,
        rgba(255, 255, 255, 0.03) 0px, rgba(255, 255, 255, 0.03) 10px,
        transparent 10px, transparent 20px);
    pointer-events: none;
}
.popup-banner-line {
    width: 36px; height: 2px;
    background: var(--white);
    margin: 0 auto 1rem;
}
.popup-eyebrow {
    display: block;
    font-size: 0.58rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: rgba(255,255,255,0.6);
    margin-bottom: 0.65rem;
}
.popup-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--white);
    line-height: 1.25;
    margin-bottom: 0.5rem;
    font-family: inherit;
}
.popup-title span { color: rgba(255,255,255,0.8); }
.popup-subtitle {
    font-size: 0.78rem;
    color: rgba(255,255,255,0.5);
    font-weight: 400;
}

.popup-close {
    position: absolute;
    top: 0.85rem; right: 0.85rem;
    width: 30px; height: 30px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.15);
    color: rgba(255,255,255,0.65);
    font-size: 0.8rem;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: all 0.25s ease;
    z-index: 2;
}
.popup-close:hover { background: rgba(255,255,255,0.2); color: var(--white); transform: rotate(90deg); }

.popup-body { padding: 1.75rem 1.75rem 1.75rem; background: var(--white); }
.popup-actions { display: flex; flex-direction: column; gap: 0.8rem; margin-bottom: 1.25rem; }

.popup-btn-wa {
    display: flex; align-items: center; gap: 1rem;
    padding: 1rem 1.25rem;
    background: var(--black);
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative; overflow: hidden;
}
.popup-btn-wa:hover { transform: translateY(-2px); box-shadow: 0 10px 28px rgba(0, 0, 0, 0.25); }
.popup-btn-wa svg { width: 26px; height: 26px; color: var(--white); flex-shrink: 0; fill: currentColor; }
.popup-btn-wa-info { flex: 1; }
.popup-btn-wa-info strong { display: block; font-size: 0.88rem; font-weight: 600; color: var(--white); }
.popup-btn-wa-info span  { font-size: 0.7rem; color: rgba(255,255,255,0.7); }
.popup-btn-wa-arrow { color: rgba(255,255,255,0.7); transition: transform 0.3s ease; }
.popup-btn-wa:hover .popup-btn-wa-arrow { transform: translateX(4px); }

.popup-or {
    display: flex; align-items: center; gap: 0.75rem;
    font-size: 0.65rem; text-transform: uppercase; letter-spacing: 1px;
    color: var(--text-soft);
}
.popup-or::before, .popup-or::after { content: ''; flex: 1; height: 1px; background: var(--line); }

.popup-btn-quote {
    display: flex; align-items: center; gap: 1rem;
    padding: 1rem 1.25rem;
    background: transparent;
    border: 1.5px solid var(--black);
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative; overflow: hidden;
}
.popup-btn-quote::before {
    content: ''; position: absolute; inset: 0;
    background: var(--black);
    transform: scaleX(0); transform-origin: left;
    transition: transform 0.35s ease; z-index: 0;
}
.popup-btn-quote:hover::before { transform: scaleX(1); }
.popup-btn-quote:hover { transform: translateY(-2px); box-shadow: 0 10px 28px rgba(0, 0, 0, 0.15); }
.popup-btn-quote-icon { font-size: 1.3rem; flex-shrink: 0; position: relative; z-index: 1; }
.popup-btn-quote-info { flex: 1; position: relative; z-index: 1; }
.popup-btn-quote-info strong { display: block; font-size: 0.88rem; font-weight: 600; color: var(--black); transition: color 0.35s ease; }
.popup-btn-quote-info span  { font-size: 0.7rem; color: var(--text-soft); transition: color 0.35s ease; }
.popup-btn-quote:hover .popup-btn-quote-info strong,
.popup-btn-quote:hover .popup-btn-quote-info span { color: var(--white); }
.popup-btn-quote-arrow { color: var(--black); transition: transform 0.3s ease, color 0.35s ease; position: relative; z-index: 1; }
.popup-btn-quote:hover .popup-btn-quote-arrow { transform: translateX(4px); color: var(--white); }

.popup-trust {
    display: flex; justify-content: space-between;
    padding-top: 1.25rem;
    border-top: 1px solid var(--line);
}
.popup-trust-item { display: flex; flex-direction: column; align-items: center; gap: 0.15rem; }
.popup-trust-num   { font-size: 1.1rem; font-weight: 700; color: var(--black); line-height: 1; font-family: inherit; }
.popup-trust-label { font-size: 0.58rem; color: var(--text-soft); text-transform: uppercase; letter-spacing: 0.8px; }

/* ===== RESPONSIVE ===== */
@media (max-width: 480px) {
    .popup-box { border-radius: 16px; }
    .popup-banner { padding: 1.5rem 1.5rem 1.4rem; }
    .popup-title  { font-size: 1.25rem; }
    .popup-body   { padding: 1.4rem; }
    .popup-trust  { gap: 0.5rem; }
}
@media (max-width: 768px) {
    .whatsapp-btn { bottom: 4.5rem; right: 1.2rem; width: 52px; height: 52px; }
    .whatsapp-btn svg { width: 26px; height: 26px; }
    .nav-container { padding: 0.6rem 1.5rem; }
    .nav-desktop { display: none; }
    .nav-mobile-btn { display: block; }
    .logo-img { height: 40px; max-width: 150px; }
    .nav-mobile-drawer { max-width: 320px; }
    .wrap { padding: 0 1.5rem; }
    section { padding: 5rem 0; }
    .sh2 { font-size: 2rem; }
    .body-text { font-size: 0.95rem; }
    .foot-inner { flex-direction: column; text-align: center; }
}
@media (max-width: 640px) {
    .whatsapp-btn { bottom: 4rem; right: 1rem; width: 48px; height: 48px; }
    .whatsapp-btn svg { width: 24px; height: 24px; }
    .nav-container { padding: 0.6rem 1.2rem; }
    .logo-img { height: 35px; max-width: 130px; }
    .wrap { padding: 0 1.2rem; }
    section { padding: 4rem 0; }
    .sh2 { font-size: 1.8rem; }
    .body-text { font-size: 0.9rem; }
    .btn-gold, .btn-ghost, .btn-outline-gold { padding: .75rem 1.5rem; font-size: .6rem; }
    .cta-band { flex-direction: column; text-align: center; padding: 2.5rem 1.2rem; }
    .cta-band-t { font-size: 1.2rem; }
    .btn-white { width: 100%; }
    .drawer-title { font-size: 1rem; }
    .drawer-link .link-text { font-size: 0.9rem; }
}
@media (max-width: 480px) {
    .whatsapp-btn { bottom: 3.8rem; right: 0.9rem; width: 44px; height: 44px; }
    .whatsapp-btn svg { width: 22px; height: 22px; }
    .nav-mobile-drawer { max-width: 280px; }
    .logo-img { height: 32px; max-width: 110px; }
    .sh2 { font-size: 1.6rem; }
    .body-text { font-size: 0.85rem; }
    .drawer-logo-img { height: 28px; }
}