/* ==========================================================================
   OBRICOM — Landing page (referencia "landing")
   Paleta y tipografía tomadas de https://obricom.com.mx/ (ver Documentación/landing-obricom.md)
   ========================================================================== */

:root {
    --navy: #002d62;
    --navy-deep: #001b3d;
    --blue: #00a3ff;
    --blue-light: #e8f6ff;
    --gray-bg: #f4f4f4;
    --gray-dark: #333333;
    --gray-text: #4a5568;
    --white: #ffffff;
    --radius: 14px;
    --shadow-card: 0 10px 30px rgba(0, 45, 98, 0.08);
    --shadow-card-hover: 0 16px 40px rgba(0, 45, 98, 0.14);
    --container-w: 1180px;
    --font: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--font);
    color: var(--gray-text);
    background: var(--gray-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
    color: var(--navy);
    font-weight: 800;
    line-height: 1.2;
    margin: 0 0 .5em;
}

p { margin: 0 0 1em; }
a { color: var(--blue); text-decoration: none; }
img { max-width: 100%; display: block; }

.container {
    max-width: var(--container-w);
    margin: 0 auto;
    padding: 0 24px;
}

.skip-link {
    position: absolute;
    left: -999px;
    top: 0;
    background: var(--blue);
    color: #fff;
    padding: 10px 16px;
    z-index: 999;
    border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 22px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 0.95rem;
    border: 2px solid transparent;
    cursor: pointer;
    transition: transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
    white-space: nowrap;
}
.btn-primary {
    background: var(--blue);
    color: #fff;
    box-shadow: 0 8px 20px rgba(0, 163, 255, 0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(0, 163, 255, 0.45); }
.btn-outline {
    background: transparent;
    color: var(--navy);
    border-color: var(--navy);
}
.btn-outline:hover { background: var(--navy); color: #fff; transform: translateY(-2px); }
.btn-lg { padding: 15px 28px; font-size: 1rem; }
.btn-block { width: 100%; }
.btn-nav { display: none; }

/* ---------- Header ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--navy);
    transition: box-shadow .2s ease;
}
.site-header.is-scrolled { box-shadow: 0 6px 24px rgba(0, 0, 0, 0.25); }

.header-inner {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 10px 24px;
}

.brand { flex-shrink: 0; }
.brand-logo {
    height: 52px;
    width: auto;
    border-radius: 8px;
}

.main-nav { margin-left: auto; }
.main-nav ul {
    display: flex;
    gap: 28px;
    list-style: none;
    margin: 0;
    padding: 0;
}
.main-nav a {
    color: #fff;
    font-weight: 600;
    font-size: .95rem;
    opacity: .85;
    position: relative;
    padding: 6px 0;
}
.main-nav a:hover { opacity: 1; }
.main-nav a::after {
    content: '';
    position: absolute;
    left: 0; bottom: 0;
    width: 0; height: 2px;
    background: var(--blue);
    transition: width .2s ease;
}
.main-nav a:hover::after { width: 100%; }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}
.nav-toggle span {
    width: 24px;
    height: 2px;
    background: #fff;
    display: block;
}

/* ---------- Hero ---------- */
.hero {
    position: relative;
    background: linear-gradient(160deg, var(--navy) 0%, var(--navy-deep) 100%);
    color: #fff;
    overflow: hidden;
    padding: 90px 0 100px;
}
.hero-bg {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 15% 20%, rgba(0, 163, 255, 0.18) 0, transparent 40%),
        radial-gradient(circle at 85% 80%, rgba(0, 163, 255, 0.12) 0, transparent 45%);
    pointer-events: none;
}
.hero-inner {
    position: relative;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 56px;
    align-items: center;
}
.eyebrow {
    text-transform: uppercase;
    letter-spacing: .12em;
    font-size: .78rem;
    font-weight: 700;
    color: var(--blue);
    margin-bottom: 14px;
}
.hero h1 {
    color: #fff;
    font-size: clamp(2rem, 4vw, 2.9rem);
    margin-bottom: 20px;
}
.hero-lead {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.08rem;
    max-width: 46ch;
}
.hero-lead strong { color: #fff; }
.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-top: 30px;
}
.hero .btn-outline { color: #fff; border-color: rgba(255, 255, 255, 0.6); }
.hero .btn-outline:hover { background: #fff; color: var(--navy); }

/* Flow card in hero */
.flow-card {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.14);
    backdrop-filter: blur(6px);
    border-radius: var(--radius);
    padding: 26px;
}
.flow-title {
    color: #fff;
    font-weight: 700;
    font-size: .95rem;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 18px;
    opacity: .9;
}
.flow-steps { display: flex; flex-direction: column; align-items: stretch; }
.flow-step {
    display: flex;
    align-items: center;
    gap: 14px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 12px;
    padding: 14px 16px;
}
.flow-step-highlight {
    background: var(--blue);
    box-shadow: 0 10px 24px rgba(0, 163, 255, 0.4);
}
.flow-step-highlight strong,
.flow-step-highlight span { color: #fff; }
.flow-step strong { display: block; color: var(--navy); font-size: .92rem; }
.flow-step span { display: block; color: var(--gray-text); font-size: .8rem; margin-top: 2px; }
.flow-step-highlight span { color: rgba(255, 255, 255, 0.85); }
.flow-icon {
    flex-shrink: 0;
    width: 40px; height: 40px;
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.05rem;
    background: var(--blue-light);
    color: var(--blue);
}
.flow-step-highlight .flow-icon { background: rgba(255, 255, 255, 0.2); color: #fff; }
.flow-arrow { text-align: center; color: rgba(255, 255, 255, 0.5); padding: 6px 0; }

/* ---------- Stats ---------- */
.stats { background: var(--white); padding: 44px 0; border-bottom: 1px solid #eaeef2; }
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    text-align: center;
}
.stat-number {
    display: block;
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--blue);
}
.stat-label { font-size: .85rem; color: var(--gray-text); }

/* ---------- Sections ---------- */
.section { padding: 90px 0; }
.section-head { max-width: 640px; margin: 0 auto 48px; text-align: center; }
.section-head h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
.section-lead { color: var(--gray-text); font-size: 1.02rem; }
.section-head-light .eyebrow { color: var(--blue); }
.section-head-light h2, .section-head-light p { color: #fff; }
.section-head-light .section-lead { color: rgba(255, 255, 255, 0.78); }

.section-dark {
    background: linear-gradient(160deg, var(--navy) 0%, var(--navy-deep) 100%);
    color: #fff;
}

/* ---------- Cards grid (servicios) ---------- */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.cards-grid-3 { grid-template-columns: repeat(3, 1fr); max-width: 980px; margin: 0 auto; }

.card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 30px 26px;
    box-shadow: var(--shadow-card);
    transition: transform .2s ease, box-shadow .2s ease;
    display: flex;
    flex-direction: column;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-card-hover); }
.card-plain:hover { transform: none; box-shadow: var(--shadow-card); }
.card-icon {
    width: 52px; height: 52px;
    border-radius: 12px;
    background: var(--blue-light);
    color: var(--blue);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.35rem;
    margin-bottom: 18px;
}
.card h3 { font-size: 1.08rem; margin-bottom: 10px; }
.card p { font-size: .92rem; color: var(--gray-text); flex-grow: 1; }
.card-featured {
    background: linear-gradient(160deg, var(--navy) 0%, var(--navy-deep) 100%);
    color: #fff;
}
.card-featured h3, .card-featured p { color: #fff; }
.card-featured .card-icon { background: rgba(255, 255, 255, 0.15); color: #fff; }
.card-link { color: var(--blue); font-weight: 700; font-size: .88rem; margin-top: 14px; }
.card-featured .card-link { color: #fff; }

/* ---------- Feature grid (Torre de Control) ---------- */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 34px 30px;
}
.feature i {
    font-size: 1.5rem;
    color: var(--blue);
    margin-bottom: 14px;
    display: inline-block;
}
.feature h3 { color: #fff; font-size: 1.02rem; margin-bottom: 8px; }
.feature p { color: rgba(255, 255, 255, 0.75); font-size: .9rem; margin: 0; }

/* ---------- Simphony ---------- */
.simphony-inner { max-width: 760px; }
.check-list { list-style: none; padding: 0; margin: 0 0 28px; }
.check-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 8px 0;
    font-size: .95rem;
}
.check-list i { color: var(--blue); margin-top: 3px; }

/* ---------- Contacto ---------- */
.section-contact { background: var(--white); }
.contact-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: start;
}
.contact-inner .section-head { text-align: left; margin: 0; }
.contact-details { list-style: none; padding: 0; margin: 24px 0 0; }
.contact-details li { display: flex; align-items: center; gap: 10px; font-weight: 600; color: var(--navy); }
.contact-details i { color: var(--blue); }

.contact-form {
    background: var(--gray-bg);
    border-radius: var(--radius);
    padding: 30px;
}
.form-row { margin-bottom: 18px; }
.form-row label { display: block; font-weight: 600; font-size: .88rem; color: var(--navy); margin-bottom: 6px; }
.form-row input[type="text"],
.form-row input[type="email"],
.form-row input[type="tel"],
.form-row textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #d7dee5;
    border-radius: 8px;
    font-family: var(--font);
    font-size: .95rem;
    background: #fff;
}
.form-row input:focus, .form-row textarea:focus {
    outline: none;
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(0, 163, 255, 0.15);
}
.form-row-checkbox { display: flex; align-items: flex-start; gap: 10px; }
.form-row-checkbox label { margin: 0; font-weight: 400; font-size: .82rem; color: var(--gray-text); }
.form-row-checkbox input { margin-top: 3px; }
.form-note { font-size: .85rem; margin: 14px 0 0; min-height: 1.2em; color: var(--navy); font-weight: 600; }

/* ---------- Footer ---------- */
.site-footer { background: var(--gray-dark); color: #ccc; padding: 40px 0; }
.footer-inner { text-align: center; }
.footer-logo { height: 36px; margin: 0 auto 14px; filter: brightness(0) invert(1); opacity: .85; border-radius: 6px; }
.footer-inner p { margin: 4px 0; font-size: .85rem; }
.footer-contact a { color: var(--blue); }

/* ---------- Scroll reveal ---------- */
[data-reveal] {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity .6s ease, transform .6s ease;
}
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
    .hero-inner { grid-template-columns: 1fr; }
    .cards-grid { grid-template-columns: repeat(2, 1fr); }
    .cards-grid-3 { grid-template-columns: repeat(2, 1fr); }
    .feature-grid { grid-template-columns: repeat(2, 1fr); }
    .contact-inner { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
    .main-nav {
        position: absolute;
        top: 100%; left: 0; right: 0;
        background: var(--navy-deep);
        max-height: 0;
        overflow: hidden;
        transition: max-height .25s ease;
    }
    .main-nav.is-open { max-height: 320px; }
    .main-nav ul { flex-direction: column; gap: 0; padding: 10px 24px 18px; }
    .main-nav a { display: block; padding: 12px 0; }
    .nav-toggle { display: flex; }
    .btn-nav { display: none !important; }
    .cards-grid, .cards-grid-3, .feature-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .section { padding: 64px 0; }
    .hero { padding: 64px 0 70px; }
}