/*
  JM Reformas y Servicios
  Diseño: Industrial refinado. Fondo cálido, contraste carbón y acento naranja obra.
*/

:root {
  --orange: #e85d04;
  --orange-deep: #c84e02;
  --orange-pale: #fff0e7;
  --ink: #1c1a18;
  --slate: #5f5b56;
  --cream: #f6f1e8;
  --paper: #fffdfa;
  --line: #e8e0d4;
  --dark: #171614;
  --dark-card: #24221f;
  --radius: 4px;
  --shadow: 0 20px 60px rgba(35, 30, 22, .13);
  --ease: cubic-bezier(.23, 1, .32, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 5rem; }
body { margin: 0; background: var(--cream); color: var(--ink); font-family: Lora, Georgia, serif; font-size: 16px; line-height: 1.7; overflow-x: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
button { cursor: pointer; }

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: 0; left: 1rem; z-index: 100; transform: translateY(-110%); background: var(--ink); color: white; padding: .75rem 1rem; font: 700 .75rem/1 "Barlow Condensed", sans-serif; letter-spacing: .1em; text-transform: uppercase; transition: transform .2s var(--ease); }
.skip-link:focus { transform: translateY(0); }
.container { width: min(100% - 2.5rem, 1240px); margin-inline: auto; }
.section { padding: clamp(4.75rem, 9vw, 8rem) 0; }
.section-heading { margin-bottom: clamp(2.5rem, 5vw, 4rem); }

h1, h2, h3, h4, .button, .eyebrow, .main-nav, .brand, .benefits, .service-card, .experience, .contact-list, .site-footer { font-family: "Barlow Condensed", "Arial Narrow", Arial, sans-serif; }
h1, h2, h3, h4, p { margin-top: 0; }
h1, h2, h3 { text-transform: uppercase; line-height: .93; letter-spacing: -.025em; }
h2 { margin-bottom: 1.8rem; font-size: clamp(3rem, 6.3vw, 5.5rem); font-weight: 800; }
h2 em, h1 em { font-style: normal; color: var(--orange); }

.eyebrow { display: flex; align-items: center; gap: .5rem; margin-bottom: 1rem; color: var(--orange); font-size: .8rem; font-weight: 700; letter-spacing: .15em; line-height: 1.2; text-transform: uppercase; }
.eyebrow-light { display: inline-flex; padding: .63rem .85rem; margin-bottom: 1.8rem; background: rgba(232, 93, 4, .95); color: #fff; border-radius: var(--radius); }
.eyebrow-accent { color: #f7944f; }

/* Header */
.site-header { position: fixed; inset: 0 0 auto; z-index: 40; transition: background .25s var(--ease), box-shadow .25s var(--ease); }
.site-header.is-stuck { background: rgba(255, 253, 250, .97); box-shadow: 0 1px 0 rgba(28, 26, 24, .08); backdrop-filter: blur(10px); }
.nav-shell { display: flex; align-items: center; justify-content: space-between; min-height: 4.7rem; }
.brand { display: inline-flex; align-items: center; gap: .7rem; color: #fff; line-height: 1; }
.is-stuck .brand { color: var(--ink); }
.brand-mark { display: grid; width: 2.3rem; height: 2.3rem; place-items: center; background: var(--orange); color: #fff; border-radius: 3px; }
.brand-mark svg { width: 1.25rem; height: 1.25rem; }
.brand-copy { display: grid; gap: .08rem; text-transform: uppercase; }
.brand-copy strong { font-size: 1.15rem; font-weight: 800; letter-spacing: .01em; }
.brand-copy small { color: #ffb17a; font-size: .7rem; font-weight: 700; letter-spacing: .16em; }
.is-stuck .brand-copy small { color: var(--orange); }
.main-nav { display: flex; align-items: center; gap: clamp(1.2rem, 2.5vw, 2.35rem); color: #fff; font-size: .82rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.is-stuck .main-nav { color: var(--ink); }
.main-nav > a:not(.nav-phone) { position: relative; padding: 1.6rem 0; }
.main-nav > a:not(.nav-phone)::after { position: absolute; bottom: 1.15rem; left: 0; width: 0; height: 2px; background: var(--orange); content: ""; transition: width .22s var(--ease); }
.main-nav > a:not(.nav-phone):hover::after, .main-nav > a:not(.nav-phone):focus-visible::after { width: 100%; }
.nav-phone { display: flex; align-items: center; gap: .5rem; padding: .75rem 1rem; background: var(--orange); color: #fff; border-radius: var(--radius); transition: background .2s var(--ease), transform .15s var(--ease); }
.nav-phone:hover { background: var(--orange-deep); transform: translateY(-1px); }
.nav-phone svg, .button svg { width: 1em; height: 1em; }
.menu-toggle { display: none; border: 0; background: transparent; color: white; }
.is-stuck .menu-toggle { color: var(--ink); }

/* Hero */
.hero { position: relative; display: grid; min-height: min(780px, 100svh); align-items: end; padding: 8rem 0 8.25rem; color: white; isolation: isolate; overflow: hidden; }
.hero-media, .hero-overlay { position: absolute; inset: 0; z-index: -2; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; object-position: 54% center; }
.hero-overlay { z-index: -1; background: linear-gradient(90deg, rgba(12, 10, 8, .88) 0%, rgba(12, 10, 8, .62) 45%, rgba(12, 10, 8, .13) 78%), linear-gradient(0deg, rgba(12, 10, 8, .5), transparent 35%); }
.hero-angle { position: absolute; right: 0; bottom: -1px; left: 0; z-index: 1; height: clamp(3.5rem, 8vw, 6rem); background: var(--cream); clip-path: polygon(0 76%, 100% 0, 100% 100%, 0 100%); }
.hero-content { position: relative; z-index: 2; max-width: 1240px; }
.hero-content > * { max-width: 48rem; }
.hero h1 { margin-bottom: 1.65rem; font-size: clamp(4rem, 10.5vw, 8.7rem); font-weight: 800; }
.hero h1 em { color: #ff790b; }
.hero h1 span { display: block; margin-top: .1em; color: rgba(255,255,255,.86); font-size: .52em; }
.hero-intro { max-width: 38rem; margin-bottom: 2rem; color: rgba(255,255,255,.88); font-size: clamp(.98rem, 1.5vw, 1.15rem); line-height: 1.75; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: .55rem; min-height: 3.2rem; padding: .85rem 1.35rem; border: 1px solid transparent; border-radius: var(--radius); font-size: .88rem; font-weight: 700; letter-spacing: .12em; line-height: 1; text-align: center; text-transform: uppercase; transition: transform .15s var(--ease), background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease); }
.button:hover { transform: translateY(-2px); }
.button:active { transform: scale(.98); }
.button-primary { background: var(--orange); color: #fff; }
.button-primary:hover { background: var(--orange-deep); }
.button-ghost { background: rgba(255,255,255,.09); color: white; border-color: rgba(255,255,255,.42); }
.button-ghost:hover { background: rgba(255,255,255,.18); }
.button-light { background: #fff; color: var(--orange); }
.button-light:hover { background: var(--cream); }
.button-outline { background: transparent; color: #fff; border-color: #fff; }
.button-outline:hover { background: rgba(255,255,255,.1); }
.button-full { width: 100%; }
.scroll-cue { position: absolute; z-index: 2; right: max(1.7rem, calc((100vw - 1240px)/2)); bottom: 6rem; display: grid; justify-items: center; gap: .4rem; color: rgba(255,255,255,.56); font: 700 .65rem/1 "Barlow Condensed", sans-serif; letter-spacing: .14em; text-transform: uppercase; }
.scroll-cue span { writing-mode: vertical-rl; }
.scroll-cue i { display: block; width: 1px; height: 1.35rem; background: currentColor; }

/* Benefits */
.benefits { background: #fff; border-bottom: 1px solid var(--line); }
.benefits-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; padding: 1.5rem 0; }
.benefits p { display: flex; align-items: center; gap: .65rem; margin: 0; color: #48433d; font-size: .92rem; font-weight: 700; line-height: 1.2; }
.benefits b { color: var(--orange); font-size: 1.3rem; }

/* About */
.split-layout { display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: clamp(3rem, 8vw, 7rem); }
.about-copy > p:not(.eyebrow) { max-width: 39rem; color: var(--slate); }
.about-copy strong { color: var(--ink); }
.principles { display: grid; gap: 1rem; margin: 2rem 0; }
.principles article { display: grid; grid-template-columns: 1.4rem 1fr; gap: .85rem; padding: 1.1rem; background: #fff; border-left: 4px solid var(--orange); box-shadow: 0 6px 20px rgba(28,26,24,.05); }
.principles article > span { color: var(--orange); font-family: Arial, sans-serif; font-weight: 700; }
.principles h3 { margin-bottom: .4rem; font-size: 1rem; font-weight: 700; letter-spacing: .04em; }
.principles p { margin: 0; color: var(--slate); font-size: .81rem; line-height: 1.65; }
.about-image { position: relative; margin: 0 1.1rem 2rem 0; }
.about-image::after { position: absolute; top: -1.3rem; right: -1.3rem; z-index: -1; width: 7rem; height: 7rem; border: 4px solid #ffd7bb; content: ""; }
.about-image > img { width: 100%; min-height: 30rem; object-fit: cover; box-shadow: var(--shadow); }
.experience { position: absolute; bottom: -1.7rem; left: -1.7rem; display: grid; gap: .15rem; padding: 1.25rem 1.35rem; background: var(--orange); color: #fff; box-shadow: 0 12px 26px rgba(190, 72, 0, .22); }
.experience strong { font-size: 3.2rem; line-height: .8; }
.experience span { color: #ffe0cb; font-size: .7rem; font-weight: 700; letter-spacing: .12em; line-height: 1.25; text-transform: uppercase; }

/* Services */
.services { background: var(--dark); color: #fff; }
.services h2 { color: #fff; }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.service-card { position: relative; min-height: 18.25rem; padding: 1.65rem; overflow: hidden; background: var(--dark-card); border: 1px solid #393631; transition: background .22s var(--ease), border-color .22s var(--ease), transform .22s var(--ease); }
.service-card::before { position: absolute; top: 0; bottom: 0; left: 0; width: 3px; background: var(--orange); content: ""; transform: scaleY(0); transform-origin: bottom; transition: transform .25s var(--ease); }
.service-card:hover { background: #2b2824; border-color: rgba(232, 93, 4, .55); transform: translateY(-3px); }
.service-card:hover::before { transform: scaleY(1); }
.service-number { position: absolute; top: .65rem; right: 1rem; color: rgba(255,255,255,.07); font-size: 5.3rem; font-weight: 800; line-height: 1; }
.service-symbol { position: relative; margin-bottom: 1.2rem; color: #f7944f; font-family: Georgia, serif; font-size: 1.7rem; font-weight: 700; line-height: 1; }
.service-card h3 { position: relative; margin-bottom: .8rem; font-size: 1.45rem; font-weight: 800; }
.service-card p { position: relative; margin-bottom: 1.3rem; color: #bcb7b0; font-family: Lora, Georgia, serif; font-size: .79rem; line-height: 1.7; }
.service-card a { position: absolute; bottom: 1.65rem; color: #ff9549; font-size: .73rem; font-weight: 700; letter-spacing: .1em; line-height: 1; text-transform: uppercase; }
.service-card a span { margin-left: .25rem; transition: transform .2s var(--ease); }
.service-card a:hover span { display: inline-block; transform: translateX(.3rem); }

/* Gallery */
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: .85rem; }
.gallery-grid figure { min-height: 16rem; margin: 0; overflow: hidden; background: #ddd; }
.gallery-grid .gallery-wide { grid-column: span 2; }
.gallery-grid img { width: 100%; height: 100%; min-height: 16rem; object-fit: cover; transition: transform .5s var(--ease); }
.gallery-grid figure:hover img { transform: scale(1.045); }

/* CTA */
.cta-banner { position: relative; overflow: hidden; background: var(--orange); color: white; text-align: center; }
.cta-pattern { position: absolute; inset: 0; opacity: .13; background-image: repeating-linear-gradient(45deg, transparent, transparent 13px, rgba(0,0,0,.25) 13px, rgba(0,0,0,.25) 14px); }
.cta-content { position: relative; padding: clamp(4rem, 7vw, 6rem) 0; }
.cta-content h2 { margin-bottom: 1rem; color: #fff; font-size: clamp(3.1rem, 6.5vw, 5.6rem); }
.cta-content p { max-width: 38rem; margin: 0 auto 2rem; color: rgba(255,255,255,.88); }
.cta-content > div { display: flex; flex-wrap: wrap; justify-content: center; gap: .8rem; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(3rem, 8vw, 7rem); }
.contact-intro { max-width: 36rem; color: var(--slate); }
.contact-list { display: grid; gap: .75rem; margin-top: 2rem; font-style: normal; }
.contact-list a { display: flex; align-items: center; gap: 1rem; padding: 1rem; background: #fff; border: 1px solid #ece6dc; transition: border-color .2s var(--ease), box-shadow .2s var(--ease); }
.contact-list a:hover { border-color: #ffcca8; box-shadow: 0 8px 20px rgba(32,25,18,.07); }
.contact-list > a > span { display: grid; width: 2.6rem; height: 2.6rem; place-items: center; flex: 0 0 auto; background: var(--orange-pale); color: var(--orange); font-family: Arial, sans-serif; font-size: 1.1rem; }
.contact-list small { display: block; color: #8c847b; font-size: .65rem; font-weight: 700; letter-spacing: .12em; line-height: 1.2; text-transform: uppercase; }
.contact-list strong { display: block; color: #3b3732; font-family: Lora, Georgia, serif; font-size: .85rem; font-weight: 500; }
.form-card { padding: clamp(1.5rem, 4vw, 2.6rem); background: #fff; border: 1px solid #ece6dc; box-shadow: 0 8px 28px rgba(26, 19, 13, .05); }
.form-card h3 { margin-bottom: .25rem; font-size: 1.9rem; font-weight: 800; }
.form-card > p { margin-bottom: 1.6rem; color: #827a72; font-size: .85rem; }
.form-card form { display: grid; gap: 1rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-card label { display: grid; gap: .45rem; color: #817870; font: 700 .68rem/1.2 "Barlow Condensed", sans-serif; letter-spacing: .13em; text-transform: uppercase; }
.form-card input, .form-card textarea { width: 100%; padding: .75rem .85rem; background: var(--paper); border: 1px solid #e4ddd3; border-radius: var(--radius); color: var(--ink); font: 400 .85rem/1.5 Lora, Georgia, serif; letter-spacing: 0; text-transform: none; outline: none; transition: border-color .2s var(--ease), box-shadow .2s var(--ease); }
.form-card textarea { resize: vertical; min-height: 7.5rem; }
.form-card input:focus, .form-card textarea:focus { border-color: var(--orange); box-shadow: 0 0 0 3px rgba(232,93,4,.12); }
.form-card input::placeholder, .form-card textarea::placeholder { color: #aaa39b; }
.form-note { margin: 0; color: #9d958b; font-size: .68rem; line-height: 1.55; text-align: center; }
.form-feedback { min-height: 1.2em; margin: 0; color: #2a8145; font-size: .8rem; text-align: center; }

/* Footer */
.site-footer { padding-top: 4rem; background: var(--dark); color: #e5e0d9; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 4rem; padding-bottom: 3.5rem; }
.footer-brand { margin-bottom: 1.2rem; color: #fff; }
.site-footer p { color: #a9a49c; font-family: Lora, Georgia, serif; font-size: .8rem; line-height: 1.7; }
.site-footer h3 { margin-bottom: 1rem; color: #f7944f; font-size: .8rem; font-weight: 700; letter-spacing: .14em; }
.site-footer ul { display: grid; gap: .35rem; margin: 0; padding: 0; list-style: none; }
.site-footer li, .site-footer a { color: #aaa59e; font-family: Lora, Georgia, serif; font-size: .79rem; transition: color .2s; }
.site-footer a:hover { color: #fff; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.5rem 0; border-top: 1px solid #302d29; }
.footer-bottom p { margin: 0; font-size: .69rem; }
.footer-bottom > div { display: flex; gap: 1.2rem; }
.footer-bottom a { font: 700 .67rem/1 "Barlow Condensed", sans-serif; letter-spacing: .1em; text-transform: uppercase; }

/* Floating contact controls */
.floating-actions { position: fixed; right: clamp(1rem, 3vw, 1.75rem); bottom: clamp(1rem, 3vw, 1.75rem); z-index: 30; display: grid; gap: .6rem; opacity: 0; transform: translateY(1rem); pointer-events: none; transition: opacity .3s var(--ease), transform .3s var(--ease); }
.floating-actions.is-visible { opacity: 1; transform: none; pointer-events: auto; }
.floating-button { display: flex; align-items: center; justify-content: center; gap: .55rem; min-height: 3.35rem; padding: .7rem 1rem; border-radius: 99rem; color: #fff; box-shadow: 0 10px 30px rgba(22,18,15,.24); font: 700 .78rem/1 "Barlow Condensed", sans-serif; letter-spacing: .09em; text-transform: uppercase; transition: transform .16s var(--ease), background .2s var(--ease); }
.floating-button:hover { transform: translateY(-3px); }
.floating-button svg { width: 1.2rem; height: 1.2rem; }
.whatsapp { background: #25d366; }
.whatsapp:hover { background: #1fbc59; }
.call { background: var(--orange); }
.call:hover { background: var(--orange-deep); }

/* Reveal effects */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: 90ms; }
.reveal[data-delay="2"] { transition-delay: 180ms; }

@media (max-width: 900px) {
  .main-nav { gap: 1rem; }
  .main-nav > a:not(.nav-phone) { font-size: .73rem; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .split-layout, .contact-grid { gap: 3rem; }
}

@media (max-width: 720px) {
  .container { width: min(100% - 2rem, 1240px); }
  .menu-toggle { position: relative; z-index: 50; display: grid; width: 2.5rem; gap: 4px; padding: .5rem; }
  .menu-toggle span:not(.sr-only) { display: block; width: 100%; height: 2px; background: currentColor; transition: transform .2s var(--ease), opacity .2s var(--ease); }
  .menu-toggle[aria-expanded="true"] span:nth-of-type(2) { transform: translateY(6px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-of-type(3) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] span:nth-of-type(4) { transform: translateY(-6px) rotate(-45deg); }
  .main-nav { position: fixed; inset: 0; z-index: 45; display: grid; align-content: center; justify-items: center; gap: .25rem; padding: 7rem 2rem 2rem; background: #fffdfa; color: var(--ink); opacity: 0; visibility: hidden; pointer-events: none; transition: opacity .2s var(--ease), visibility .2s var(--ease); }
  .main-nav.is-open { opacity: 1; visibility: visible; pointer-events: auto; }
  .main-nav > a:not(.nav-phone) { padding: .8rem 1rem; font-size: 1.8rem; }
  .main-nav > a:not(.nav-phone)::after { bottom: .5rem; }
  .nav-phone { margin-top: 1rem; font-size: .9rem; }
  .hero { min-height: 44rem; padding-bottom: 7rem; }
  .hero-media img { object-position: 60% center; }
  .hero-overlay { background: linear-gradient(90deg, rgba(12,10,8,.83), rgba(12,10,8,.48)), linear-gradient(0deg, rgba(12,10,8,.5), transparent 40%); }
  .hero h1 { font-size: clamp(4rem, 18vw, 6.5rem); }
  .scroll-cue { display: none; }
  .benefits-grid { grid-template-columns: 1fr 1fr; gap: 1.1rem .8rem; }
  .benefits p { font-size: .78rem; }
  .split-layout, .contact-grid { grid-template-columns: 1fr; }
  .about-copy { order: 1; }
  .about-image { order: 0; max-width: 32rem; }
  .about-image > img { min-height: 20rem; }
  .services-grid { grid-template-columns: 1fr; }
  .service-card { min-height: 16.5rem; }
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .gallery-grid figure, .gallery-grid .gallery-wide { grid-column: span 1; min-height: 12rem; }
  .gallery-grid figure:first-child, .gallery-grid figure:last-child { grid-column: span 2; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 430px) {
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .button { width: 100%; }
  .benefits-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .floating-button span { display: none; }
  .floating-button { width: 3.35rem; padding: .7rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}